Both can be added to uninsulated attics or layered over existing material.
Attic insulation types hawaii.
State of hawaii for more information on ceiling insulation and building energy efficiency refer to the hawaii model energy code application manual.
Closed cell and open cell aka 2 pound and pound respectively.
Choose from two types.
The cost jumps up to more than 200 per month for air conditioned homes.
Insulation levels are specified by r value.
The higher the r value the better the thermal performance of the insulation.
When installed properly both types of insulation fill all of the nooks and crannies in a space and.
Your home s r value score will guide you toward the type of insulation you need.
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They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.
Eshield radiant barrier is insulation for hawaii s climate.
This state of the art attic insulation reflects 93 percent of all radiant heat transfer or heat from the sun cooling your attic by as much as 40 degrees.
Insulation types include loose fill batts rolls foam board spray board and vapor barriers.
This pie chart shows electrical energy use for a typical family of four in hawaii.
Savings of 30 to 50 per month are feasible.
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The type of insulation you need depends on which type is currently installed and the required r value.
In general an attic s r value should be between r 30 and r 49.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
It s like having a shade over your home.
For diy attic insulation you ve got two choices.
In particularly cold climates you might go up to r 60.
4 hawaii homeowner s guide to energy comfort value energy cost reduction strategies typical utility bills are 90 per month.
State of hawaii department of business economic development and tourism energy resources and technology division p o.
Add the right kind of insulation.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
The most common insulation materials are fiberglass cellulose and foam.
